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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Largest artery of the body
SA node
supply the heart with oxygenated blood
sodium ions and water
aorta
2. Natural pacemaker of the heart
60-80
SA node
atrium
cardiac cycle
3. Relaxation
atrium
diastole
aortic and pulmonary semilunar valves
arrhythmias
4. Very rapid and uncoordinated ventricular beat
60-80
fibrullation
coronary veins
atrium
5. Contraction of chambers of the heart
medial to the lungs and superior to the diaphragm
stenosis...
systole
SA node
6. Amount of blood pumped by a ventricle in 1 minute
closure of the valves
ECG
cardiac output
supply the heart with oxygenated blood
7. Purpose of teh coronary vessels
fibrous epicardium
aorta
diastole
supply the heart with oxygenated blood
8. Backflow o fblood from the arteries to the ventricles is prevented by these
aortic and pulmonary semilunar valves
medial to the lungs and superior to the diaphragm
SA node
endocardium
9. Heart rate below 60 bpm
coronary veins
vagus nerves
60-80
bradycardia
10. Each normal heartbeat is initiated by this
SA node
myocardium
diastole
right and left atria
11. Cardiac muscle tissue
arrhythmias
sodium ions and water
myocardium
tricuspid valve
12. Part of the myocardium is deprived of its blood supply and becomes ______
venous return
cardiac output
ischemia
medial to the lungs and superior to the diaphragm
13. Vessel into which the left ventricle pumps blood
prevent friction as the heart beats
vagus nerves
aorta
venous return
14. Visceral pericardium
right and left atria
tricuspid valve
myocardium
epicardium
15. Electical activity of the heart may be depicted in an
systole
atrium
ECG
aorta
16. Funciton of the serous fluid of teh pericardial membranes
medial to the lungs and superior to the diaphragm
bicuspid valve
prevent friction as the heart beats
ECG
17. Outermost of the pericardial membranes
SA node
closure of the valves
fibrous epicardium
systole
18. Nerves that transmit impulses to decrease the heart rate are the ____
prevent friction as the heart beats
cardiac output
vagus nerves
SA node
19. Normal heart sounds are caused by
atrium
closure of the valves
bundle of His...
medial to the lungs and superior to the diaphragm
20. Contraction
aorta
systole
is smooth to prevent abnormal clotting within the heart
closure of the valves
21. 1st branches of teh ascending aorta
coronary arteries
mediastinum
stenosis...
fibrullation
22. Coronary sinus receives blood directly from this
coronary arteries
sodium ions and water
bundle of His...
coronary veins
23. Relaxation of chambers of the heart
cardiac output
stenosis...
diastole
SA node
24. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
pressoreceptors in teh carotid and aortic sinuses
arrhythmias
coronary veins
25. Heart chambers are lined with this
endocardium
right and left atria
prevent friction as the heart beats
cardiac reserve
26. Irregular heartbeats
arrhythmias
endocardium
diastole
coronary arteries
27. The chambers of teh heart that receive blood from the veins
systole
arrhythmias
fibrullation
right and left atria
28. First part of the cardia conduction pathway in teh ventircles
coronary arteries
pressoreceptors in teh carotid and aortic sinuses
cardiac output
bundle of His...
29. Difference between resting cardiac output adn maximum exercise cardiac output
sodium ions and water
superior and inferior caval veins
cardiac reserve
vagus nerves
30. Area in the thoracic cavity between the lungs
mediastinum
aorta
coronary veins
epicardium
31. Normal range of heart rate for a healthy adult is _____ bpm
myocardium
bradycardia
coronary arteries
60-80
32. Prevents backflow of blood from the left ventricle to the left atrium
closure of the valves
bicuspid valve
aorta
supply the heart with oxygenated blood
33. Heart is located here
medial to the lungs and superior to the diaphragm
myocardium
aorta
is smooth to prevent abnormal clotting within the heart
34. Veins that return blood to the right atrium
SA node
fibrullation
pressoreceptors in teh carotid and aortic sinuses
superior and inferior caval veins
35. Amount of blood pumped by a ventricle per beat
systole
60-80
pressoreceptors in teh carotid and aortic sinuses
stroke volume
36. Narrowing of a valve
coronary arteries
superior and inferior caval veins
diastole
stenosis...
37. The centers that regulate heart rate located in the___
medulla
epicardium
medial to the lungs and superior to the diaphragm
bundle of His...
38. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
atrium
sodium ions and water
aorta
cardiac reserve
39. The amount of blood that returns to teh heart
myocardium
endocardium
venous return
epicardium
40. Endocardium lines the chambers of the heart
systole
coronary arteries
pressoreceptors in teh carotid and aortic sinuses
is smooth to prevent abnormal clotting within the heart
41. Upper chamber of the heart
atrium
sodium ions and water
myocardium
cardiac reserve
42. Sequence of events in one heartbeat
tricuspid valve
sodium ions and water
cardiac output
cardiac cycle
43. Changes in blood pressure are detected by
vagus nerves
aorta
pressoreceptors in teh carotid and aortic sinuses
SA node